static void gpio_usbotg_vbus_inactive(void)
{
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
/* Disable OTG VBus with GPIO high */
gpio_set_value(ARM2_OTG_VBUS, 1);
} else if (board_is_mx53_evk_a()) {
/* MX53 EVK board ver A*/
/* Disable OTG VBus with GPIO high */
gpio_set_value(EVK_OTG_VBUS, 1);
} else if (board_is_mx53_evk_b()) {
/* MX53 EVK board ver B*/
/* Disable OTG VBus with GPIO low */
gpio_set_value(EVK_OTG_VBUS, 0);
}
}
static void gpio_usbotg_vbus_inactive(void)
{
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
/* Disable OTG VBus with GPIO high */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 1);
} else if (board_is_mx53_evk_a()) {
/* MX53 EVK board ver A*/
/* Disable OTG VBus with GPIO high */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 1);
} else if (board_is_mx53_evk_b()) {
/* MX53 EVK board ver B*/
/* Disable OTG VBus with GPIO low */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
}
}
static void __init mx53_evk_io_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx53common_pads,
ARRAY_SIZE(mx53common_pads));
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
pr_info("MX53 ARM2 board \n");
mxc_iomux_v3_setup_multiple_pads(mx53arm2_pads,
ARRAY_SIZE(mx53arm2_pads));
/* Config GPIO for OTG VBus */
gpio_request(ARM2_OTG_VBUS, "otg-vbus");
gpio_direction_output(ARM2_OTG_VBUS, 1);
gpio_request(ARM2_SD1_CD, "sdhc1-cd");
gpio_direction_input(ARM2_SD1_CD); /* SD1 CD */
gpio_request(ARM2_LCD_CONTRAST, "lcd-contrast");
gpio_direction_output(ARM2_LCD_CONTRAST, 1);
} else {
/* MX53 EVK board */
pr_info("MX53 EVK board \n");
mxc_iomux_v3_setup_multiple_pads(mx53evk_pads,
ARRAY_SIZE(mx53evk_pads));
/* Host1 Vbus with GPIO high */
gpio_request(EVK_USBH1_VBUS, "usbh1-vbus");
gpio_direction_output(EVK_USBH1_VBUS, 1);
/* shutdown the Host1 Vbus when system bring up,
* Vbus will be opened in Host1 driver's probe function */
gpio_set_value(EVK_USBH1_VBUS, 0);
/* USB HUB RESET - De-assert USB HUB RESET_N */
gpio_request(EVK_USB_HUB_RESET, "usb-hub-reset");
gpio_direction_output(EVK_USB_HUB_RESET, 0);
msleep(1);
gpio_set_value(EVK_USB_HUB_RESET, 1);
/* Config GPIO for OTG VBus */
gpio_request(EVK_OTG_VBUS, "otg-vbus");
gpio_direction_output(EVK_OTG_VBUS, 0);
if (board_is_mx53_evk_a()) /*rev A,"1" disable, "0" enable vbus*/
gpio_set_value(EVK_OTG_VBUS, 1);
else if (board_is_mx53_evk_b()) /* rev B,"0" disable,"1" enable Vbus*/
gpio_set_value(EVK_OTG_VBUS, 0);
gpio_request(EVK_SD1_CD, "sdhc1-cd");
gpio_direction_input(EVK_SD1_CD); /* SD1 CD */
gpio_request(EVK_SD1_WP, "sdhc1-wp");
gpio_direction_input(EVK_SD1_WP); /* SD1 WP */
/* SD3 CD */
gpio_request(EVK_SD3_CD, "sdhc3-cd");
gpio_direction_input(EVK_SD3_CD);
/* SD3 WP */
gpio_request(EVK_SD3_WP, "sdhc3-wp");
gpio_direction_input(EVK_SD3_WP);
/* reset FEC PHY */
gpio_request(EVK_FEC_PHY_RESET, "fec-phy-reset");
gpio_direction_output(EVK_FEC_PHY_RESET, 0);
msleep(1);
gpio_set_value(EVK_FEC_PHY_RESET, 1);
gpio_request(MX53_ESAI_RESET, "fesai-reset");
gpio_direction_output(MX53_ESAI_RESET, 0);
}
/* DVI Detect */
gpio_request(MX53_DVI_DETECT, "dvi-detect");
gpio_direction_input(MX53_DVI_DETECT);
/* DVI Reset - Assert for i2c disabled mode */
gpio_request(MX53_DVI_RESET, "dvi-reset");
gpio_direction_output(MX53_DVI_RESET, 0);
/* DVI Power-down */
gpio_request(MX53_DVI_PD, "dvi-pd");
gpio_direction_output(MX53_DVI_PD, 1);
/* DVI I2C enable */
gpio_request(MX53_DVI_I2C, "dvi-i2c");
gpio_direction_output(MX53_DVI_I2C, 0);
mxc_iomux_v3_setup_multiple_pads(mx53_nand_pads,
ARRAY_SIZE(mx53_nand_pads));
gpio_request(MX53_PMIC_INT, "pmic-int");
gpio_direction_input(MX53_PMIC_INT); /*PMIC_INT*/
/* headphone_det_b */
gpio_request(MX53_HP_DETECT, "hp-detect");
gpio_direction_input(MX53_HP_DETECT);
/* power key */
/* LCD related gpio */
/* Camera reset */
gpio_request(MX53_CAM_RESET, "cam-reset");
gpio_direction_output(MX53_CAM_RESET, 1);
/* TVIN reset */
gpio_request(MX53_TVIN_RESET, "tvin-reset");
gpio_direction_output(MX53_TVIN_RESET, 0);
msleep(5);
gpio_set_value(MX53_TVIN_RESET, 1);
/* TVin power down */
gpio_request(MX53_TVIN_PWR, "tvin-pwr");
gpio_direction_output(MX53_TVIN_PWR, 0);
/* CAN1 enable GPIO*/
gpio_request(MX53_CAN1_EN1, "can1-en1");
gpio_direction_output(MX53_CAN1_EN1, 0);
gpio_request(MX53_CAN1_EN2, "can1-en2");
gpio_direction_output(MX53_CAN1_EN2, 0);
/* CAN2 enable GPIO*/
gpio_request(MX53_CAN2_EN1, "can2-en1");
gpio_direction_output(MX53_CAN2_EN1, 0);
gpio_request(MX53_CAN2_EN2, "can2-en2");
gpio_direction_output(MX53_CAN2_EN2, 0);
if (enable_spdif) {
iomux_v3_cfg_t spdif_pin = MX53_PAD_GPIO_19__SPDIF_OUT1;
mxc_iomux_v3_setup_pad(spdif_pin);
} else {
/* GPIO for 12V */
gpio_request(MX53_12V_EN, "12v-en");
gpio_direction_output(MX53_12V_EN, 0);
}
}
void __init mx53_evk_io_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(mxc_iomux_pins); i++) {
mxc_request_iomux(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].mux_mode);
if (mxc_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].pad_cfg);
if (mxc_iomux_pins[i].in_select)
mxc_iomux_set_input(mxc_iomux_pins[i].in_select,
mxc_iomux_pins[i].in_mode);
}
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
pr_info("MX53 ARM2 board \n");
for (i = 0; i < ARRAY_SIZE(mx53_arm2_iomux_pins); i++) {
mxc_request_iomux(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].mux_mode);
if (mx53_arm2_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].pad_cfg);
if (mx53_arm2_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_arm2_iomux_pins[i].in_select,
mx53_arm2_iomux_pins[i].in_mode);
}
/* Config GPIO for OTG VBus */
mxc_iomux_set_pad(MX53_PIN_EIM_D22, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), "gpio3_22");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 1);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), "gpio1_1");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), "gpio4_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 1);
} else {
/* MX53 EVK board */
pr_info("MX53 EVK board \n");
for (i = 0; i < ARRAY_SIZE(mx53_evk_iomux_pins); i++) {
mxc_request_iomux(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].mux_mode);
if (mx53_evk_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].pad_cfg);
if (mx53_evk_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_evk_iomux_pins[i].in_select,
mx53_evk_iomux_pins[i].in_mode);
}
/* Host1 Vbus with GPIO high */
mxc_iomux_set_pad(MX53_PIN_ATA_DA_2, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), "gpio7_8");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
/* shutdown the Host1 Vbus when system bring up,
* Vbus will be opened in Host1 driver's probe function */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 0);
/* USB HUB RESET - De-assert USB HUB RESET_N */
mxc_iomux_set_pad(MX53_PIN_CSI0_DATA_EN, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), "gpio5_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 1);
/* Config GPIO for OTG VBus */
mxc_iomux_set_pad(MX53_PIN_EIM_A23, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), "gpio6_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
if (board_is_mx53_evk_a()) /*rev A,"1" disable, "0" enable vbus*/
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 1);
else if (board_is_mx53_evk_b()) /* rev B,"0" disable,"1" enable Vbus*/
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13), "gpio3_13");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14), "gpio3_14");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14)); /* SD1 WP */
/* SD3 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11), "gpio3_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* SD3 WP */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA12), "gpio3_12");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* reset FEC PHY */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), "gpio7_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 1);
/* CS42888 reset GPIO */
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_12), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_12), 0);
}
/* DVI Detect */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D31), "gpio3_31");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_D31));
/* DVI Reset - Assert for i2c disabled mode */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), "gpio5_0");
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
/* DVI Power-down */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), "gpio3_24");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 1);
/* DVI I2C enable */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), "gpio3_28");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
for (i = 0; i < ARRAY_SIZE(nand_iomux_pins); i++) {
mxc_request_iomux(nand_iomux_pins[i].pin,
nand_iomux_pins[i].mux_mode);
if (nand_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(nand_iomux_pins[i].pin,
nand_iomux_pins[i].pad_cfg);
if (nand_iomux_pins[i].in_select)
mxc_iomux_set_input(nand_iomux_pins[i].in_select,
nand_iomux_pins[i].in_mode);
}
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_16), "gpio7_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_16)); /*PMIC_INT*/
/* headphone_det_b */
mxc_request_iomux(MX53_PIN_ATA_DATA5, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX53_PIN_ATA_DATA5, PAD_CTL_100K_PU);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5), "gpio2_5");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5));
/* power key */
/* LCD related gpio */
/* Camera reset */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), "gpio4_0");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 1);
/* TVIN reset */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), "gpio5_25");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 0);
msleep(5);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 1);
/* CAN1 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
/* CAN2 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
if (enable_spdif) {
mxc_free_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX53_PIN_GPIO_19,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_PUE_PULL | PAD_CTL_100K_PU |
PAD_CTL_PKE_ENABLE);
} else {
/* GPIO for CAN 12V */
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
}
}